html,body{
    height: 100%;
}
.container{
    width: 100%;
    height: 100%;
    overflow: hidden;
}
.header{
    width: 100%;
    height: 44px;
    background: #ffffff url("../images/header-bg.png") no-repeat 0 0;
    background-size: 1px 44px;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 99;
}
.header a{
    position: absolute;
    width: 44px;
    height: 44px;
    top: 0;
    background-clip: content-box;
    background-origin: content-box;
    background: url("../images/jd-sprites.png") no-repeat;
    background-size: 200px 200px;
    background-clip: content-box;
    background-origin: content-box;
}
.header .header_left{
    background-position: -24px 0;
    left: 0;
    padding: 10px 16px;/*图片宽度25/2 = 12px    44 = 12 + (16 *2) => 44是整体宽度,12照片宽度,16是整体内部padding的左右*/
}
.header .header_form{
    width: 100%;
    padding: 7px 44px;

}
.header .header_form .header-input{
    width: 100%;
    height: 30px;
    border-radius: 20px;
    padding: 0 5px;
    background: #f7f7f7;
}
.header .header_right{
    background-position: -60px 0;
    right: 0;
    padding: 13px 12px;/*图片宽度25/2 = 12px    44 = 17.5 + (16 *2) => 44是整体宽度,12照片宽度,16是整体内部padding的左右*/
}
.main{
    padding: 44px 0;
    height: 100%;
}
.main .main_left{
    width: 90px;
    height: 100%;
    float: left;
}
.main .main_left ul{
    width: 100%;
    background: #f3f4f5;
}
.main .main_left ul li{
    width: 100%;
    height: 44px;
    line-height: 44px;
    text-align: center;
    border: 1px #cccccc solid;
}
.main .main_left ul li.now{
    color: #ff0000;
    background: #ffffff;
    border-right: none;
}
.main .main_right{
    height: 100%;
    overflow: auto;
    padding: 5px 5px;
}
.main .main_right .content{
    height: 110%;
}
.main .main_right .banner{
    height: 0;
    overflow: hidden;
    width: 100%;
    padding-bottom: 31.25%;
}
.main .main_right .banner img{
    width: 100%;
}
.main .main_right .main_content{
    height: 100%;
}
.main .main_right .main_content ul{
    width: 100%;
    height: 100%;
    padding: 10px 10px;
}
.main .main_right .main_content li{
    width: 33.33%;
    float: left;
    padding: 10px 10px;
}
.main .main_right .main_content li a img{
    width: 100%;
    height: 100%;
}
.main .main_right .main_content li a p{
    width: 100%;
    text-align: center;
}
